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/*-
* Copyright (c) 2005, M. Warner Losh
* All rights reserved.
* Copyright (c) 1995, David Greenman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_ed.h"
#ifdef ED_SIC
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_dl.h>
#include <net/if_mib.h>
#include <net/if_media.h>
#include <net/bpf.h>
#include <dev/ed/if_edreg.h>
#include <dev/ed/if_edvar.h>
/*
* Probe and vendor-specific initialization routine for SIC boards
*/
int
ed_probe_SIC(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
int i;
u_int memsize;
u_long pmem;
u_char sum;
error = ed_alloc_port(dev, 0, ED_SIC_IO_PORTS);
if (error)
return (error);
sc->asic_offset = ED_SIC_ASIC_OFFSET;
sc->nic_offset = ED_SIC_NIC_OFFSET;
memsize = 16384;
/* XXX Needs to allow different msize */
error = ed_alloc_memory(dev, 0, memsize);
if (error)
return (error);
sc->mem_start = 0;
sc->mem_size = memsize;
pmem = rman_get_start(sc->mem_res);
error = ed_isa_mem_ok(dev, pmem, memsize);
if (error)
return (error);
/* Reset card to force it into a known state. */
ed_asic_outb(sc, 0, 0x00);
DELAY(100);
/*
* Here we check the card ROM, if the checksum passes, and the
* type code and ethernet address check out, then we know we have
* an SIC card.
*/
ed_asic_outb(sc, 0, 0x81);
DELAY(100);
sum = bus_space_read_1(sc->mem_bst, sc->mem_bsh, 6);
for (i = 0; i < ETHER_ADDR_LEN; i++)
sum ^= (sc->enaddr[i] =
bus_space_read_1(sc->mem_bst, sc->mem_bsh, i));
#ifdef ED_DEBUG
device_printf(dev, "ed_probe_sic: got address %6D\n",
sc->enaddr, ":");
#endif
if (sum != 0)
return (ENXIO);
if ((sc->enaddr[0] | sc->enaddr[1] | sc->enaddr[2]) == 0)
return (ENXIO);
sc->vendor = ED_VENDOR_SIC;
sc->type_str = "SIC";
sc->isa16bit = 0;
sc->cr_proto = 0;
/*
* SIC RAM page 0x0000-0x3fff(or 0x7fff)
*/
ed_asic_outb(sc, 0, 0x80);
DELAY(100);
error = ed_clear_memory(dev);
if (error)
return (error);
sc->mem_shared = 1;
sc->mem_end = sc->mem_start + sc->mem_size;
/*
* allocate one xmit buffer if < 16k, two buffers otherwise
*/
if ((sc->mem_size < 16384) || (flags & ED_FLAGS_NO_MULTI_BUFFERING))
sc->txb_cnt = 1;
else
sc->txb_cnt = 2;
sc->tx_page_start = 0;
sc->rec_page_start = sc->tx_page_start + ED_TXBUF_SIZE * sc->txb_cnt;
sc->rec_page_stop = sc->tx_page_start + sc->mem_size / ED_PAGE_SIZE;
sc->mem_ring = sc->mem_start + sc->txb_cnt * ED_PAGE_SIZE * ED_TXBUF_SIZE;
sc->sc_write_mbufs = ed_shmem_write_mbufs;
return (0);
}
#endif /* ED_SIC */
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